<html contentEditable="true">
<head>

<script type="text/javascript">

function boom()
{
  var r = document.documentElement;
  while(r.firstChild)
    r.removeChild(r.firstChild);

  document.execCommand("contentReadOnly", false, "");
  document.documentElement.focus();
}

</script>
</head>

<body onload="boom();"></body>
</html>
